Question: Mention the population of Rouen at the time of 2013?
Paraphrase: What was the population of Rouen in 2013?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q30974 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2013')) }